Addition Management LLC, a medical device company in New Jersey, seeks an Assistant Controller to support accounting, financial reporting, SEC compliance, and cash management. The role includes monthly close, SEC filings, treasury, internal controls, and SOX governance. Responsibilities cover GL oversight, monthly close leadership, external reporting, budgeting, and audits, plus ERP/system optimization and process improvements. CPA preferred, 3–7 years SEC/public company exposure highly valued.